Briefcase



FIG. 1 is a perspective view of the briefcase.

FIG. 2 is a front view of the briefcase of FIG. 1.

FIG. 3 is a rear view of the briefcase of FIG. 1.

FIG. 4 is a right side view of the briefcase of FIG. 1.

FIG. 5 is a left side view of the briefcase of FIG. 1.

FIG. 6 is a top view of the briefcase of FIG. 1; and,

FIG. 7 is a bottom view of the briefcase of FIG. 1.

In the drawings, the lines consisting of small dots indicate stitching,while those consisting of larger dots indicate zippers. In both cases,the lines form part of the claimed design.

The ornamental design for a briefcase, as shown and described.